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发明名称
Record card sensing mechanisms
摘要
申请公布号
GB919747(A)
申请公布日期
1963.02.27
申请号
GB19610006138
申请日期
1961.02.20
申请人
ADDRESSOGRAPH-MULTIGRAPH CORPORATION
发明人
分类号
G06K7/016
主分类号
G06K7/016
代理机构
代理人
主权项
地址
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